136519020 has 240 divisors, whose sum is σ = 480066048. Its totient is φ = 32192640.

The previous prime is 136519003. The next prime is 136519021. The reversal of 136519020 is 20915631.

136519020 is a `hidden beast` number, since 1 + 3 + 651 + 9 + 0 + 2 + 0 = 666.

136519020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136519021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 837459 + ... + 837621.

Almost surely, 2^136519020 is an apocalyptic number.

136519020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136519020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240033024).

136519020 is an abundant number, since it is smaller than the sum of its proper divisors (343547028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136519020 is a wasteful number, since it uses less digits than its factorization.

136519020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 136519020 is about 11684.1353980515. The cubic root of 136519020 is about 514.9096771877.

The spelling of 136519020 in words is "one hundred thirty-six million, five hundred nineteen thousand, twenty".